12 Positioning your projector
Positioning your projector
Obtaining a preferred projected image size
The distance from the projector lens to the screen, the zoom setting, and the video format each factors
in the projected image size.
Projection dimensions
• The screen aspect ratio is 16:9 and the projected picture is in a 16:9 aspect ratio
For example, if you are using a 120-inch screen, the recommended projection distance is 331 mm.
If your measured projection distance is 230 mm, the closest match in the "Projection distance (mm)"
column is 222 mm. Looking across this row shows that a 100'' (about 2.5 m) screen is required.
image size
Projection distance (mm) Ver t ic a l offset (mm)Diagonal
W (mm) H (mm)
Inch mm
70 1778 1550 872 73 160
80 2032 1771 996 120 191
90 2286 1992 1121 176 221
95 2413 2103 1183 200 236
100 2540 2214 1245 222 252
120 3048 2657 1494 331 313
All measurements are approximate and may vary from the actual sizes.
BenQ recommends that if you intend to permanently install the projector, you should physically test the projection
size and distance using the actual projector in situ before you permanently install it, so as to make allowance for this
projector's optical characteristics. This will help you determine the exact mounting position so that it best suits your
installation location. The distance between the ambient light reflection screen and the projector should also be
considered during installation.
H
W
Projection distance
Center of lens
Screen
16:9 Screen diagonal
Ver ti ca l of fse t
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